Add sections to the bookbuilder: 2004 is a leap year... (Slingshot)

 

With complex structures, e.g., a chapter with subsections, selecting only the chapter is likely to select only the chapter's title, so probably you want to select the chapter and all its subsections.

The text structure is shown below.

 
Section
Select
Title, author, date...
2004 is a leap year...
Source, notes...